Question

f. A car rental agency, which uses 5 different brands of tyres in the process of deciding the brand of tyre to purchase as standard equipment for its fleet, finds that each of 5 tyres of each brand last the following number of kilometers (in thousands). Test at 5% level of significance. Test the hypothesis that the five tyre brands have almost the same average lives. A B С D E 36 46 35 45 | 41 37 | 39 | 42 | 36 | 39 42 35 | 37 | 39 | 37 38 | 37 | 43 | 35 | 35 47 | 43 38 | 32 | 38 ​

Answer 1

Answer:

Result: From the normal probability plot, fitted plot and residual plot our example satisfies all assumptions of ANOVA so further procedure as, Our p-value of our analysis is 0.791 which is p-value > 0.05 so we accept null hypothesis